This was based on ATG's original Harley-Davidson shovelhead engine. I think this reaches too much high speed despite ...

yes

Basically, a monstrous 1034 horsepower 550 or so pound-feet of torque W9 motor. Only 3 liters, running a very potent ...

WRC spec 1.6L "turbo" inline 3-cyl with offset crankshaft [EDIT Aug 6, 2023] Updated firing order from 1-3-2 to 1-2-...

599CC Inline 4, makes ~100HP

Just a smaller merlin with an actual gearbox, not only is this my first engine but i also made it while i had no inte...

This was a bike engine uploaded on this site previously, it went till 55mph now it goes 210+

Hondas famous parallel twin

This is a rebrand of galakzee's 6.2 Liter LS Stroker but tuned to have over 1700hp and roughly goes 330mph the burni...

Realistic SR20de with correct measurements https://youtu.be/KGpnCS2o15Q *I updated the engine 3 times :)

this engine is once again tuned, but this time the fuel efficiency is still at 1.0. the engine has been bored and str...

I have feeling i spent on this engine more time than necessary. It's like chevy 454 engine but better, and with two a...

I6 that braaap like a rotary motor. Launch a dyno and enjoy the sound

Not completely accurate - tuned mostly for that litre bike IL4 scream sound [UPDATE 1: Rev limit increased and rev l...

ignition stroke every 720°